Science 0.0 / 5 ? ChemistryAtomsGCSEAQA Created by: Lucyheath123Created on: 27-04-17 18:55 What type of substances speed up a chemical reaction without being used up? A catalyst 1 of 5 What chemical is used to test for unsaturated hydrocarbons? Bromine water 2 of 5 How do we turn long chain hydrocarbons into short chain ones We use 'Cracking' 3 of 5 why do aliases not react with bromine water? Because they do not have a double bond so they are already full up 4 of 5 What would you expect to see during this test? It will go colourless 5 of 5
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